.container {
  max-width: 1380px;
  width: 100%;
  padding-right: 15px;
  padding-left: 15px;
  margin-right: auto;
  margin-left: auto;
}

/* flex */

.flex-layout {
  display: flex;
}

.flex-center {
  display: flex;
  justify-content: center;
  align-items: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.flex-column {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.flex-row {
  display: flex;
  flex-direction: row;
  align-items: center;
}

/* 过渡 */

.transition {
  transition: all 0.15s ease-in-out;
  -moz-transition: all 0.15s ease-in-out;
  -webkit-transition: all 0.15s ease-in-out;
  -o-transition: all 0.15s ease-in-out;
}

/* margin */
.mr5 {
  margin-right: 5px;
}

/* 文字控制显示 */

.ellipsis {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ellipsis-two {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  font-weight: 700;
  line-height: 18px;
}

/* shadow */
.shadow {
  background-color: #FFFFFF;
  -webkit-box-shadow: 0px 5px 40px -1px rgba(2, 10, 18, 0.1);
  box-shadow: 0px 5px 40px -1px rgba(2, 10, 18, 0.1);
}

.layer {
  position: relative;
}

.layer:before {
  content: "";
  width: 100%;
  height: 100%;
  background: #8A2387;
  /* fallback for old browsers */
  background: -webkit-linear-gradient(to left, #F27121, #E94057, #8A2387);
  /* Chrome 10-25, Safari 5.1-6 */
  background: linear-gradient(to left, #F27121, #E94057, #8A2387);
  /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
  opacity: 0.3;
  display: block;
  position: absolute;
  top: 0;
  left: 0;
}

.layout {
  min-height: calc(100vh - 252px);
  margin-top: 70px;
  z-index: 998;
  width: auto;
  min-width: 1024px;
}

.layout-fluid {
  padding: 20px 0;
}

.fly {
  pointer-events: none;
  position: fixed;
  z-index: 100;
}

.bg-fly-circle1 {
  left: 40px;
  top: 100px;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: #34e89e;  /* fallback for old browsers */
  background: linear-gradient(to right, rgba(15, 52, 67, 0.7686274509803922), rgba(52, 232, 158, 0.15));
  -webkit-animation: move 2.5s linear infinite;
  animation: move 2.5s linear infinite;
}

.bg-fly-circle2 {
  left: 3%;
  top: 60%;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background: linear-gradient(to right, rgba(15, 52, 67, 0.7686274509803922), rgba(52, 232, 158, 0.15));
  -webkit-animation: move 3s linear infinite;
  animation: move 3s linear infinite;
}

.bg-fly-circle3 {
  right: 2%;
  top: 140px;
  width: 145px;
  height: 145px;
  border-radius: 50%;
  background: linear-gradient(to right, rgba(15, 52, 67, 0.7686274509803922), rgba(52, 232, 158, 0.15));
  -webkit-animation: move 2.5s linear infinite;
  animation: move 2.5s linear infinite;
}

.bg-fly-circle4 {
  right: 5%;
  top: 60%;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: linear-gradient(to right, rgba(15, 52, 67, 0.7686274509803922), rgba(52, 232, 158, 0.15));
  -webkit-animation: move 3.5s linear infinite;
  animation: move 3.5s linear infinite;
}

.footer-wrapper {
  width: 100%;
  background: #161e27;
}

.footer-wrapper .container {
  padding: 3rem 0;
}

.footer-wrapper .title {
  position: relative;
  font-size: .9375rem;
  letter-spacing: 1px;
  color: #fff;
  margin-bottom: 1rem;
  padding: 0 1rem;
}

.footer-wrapper .title::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  width: 3px;
  height: 15px;
  border-radius: 5px;
  background: #F4606C;
  transform: translateY(-50%);
}

.footer-wrapper .desc {
  font-size: .8125rem;
  line-height: 1.8;
  color: #6d7685;
}

.footer-wrapper .social {
  margin: 1rem -.25rem 0;
}

.footer-wrapper .social a {
  position: relative;
  border-radius: 50%;
  text-align: center;
  width: 34px;
  height: 34px;
  font-size: 1rem;
  background-color: #232a31;
  border-color: #232a31;
  color: #6d7685;
  display: flex;
  font-weight: 400;
  margin: .25rem;
  transition: color .15s ease-in-out,background-color .15s ease-in-out,border-color .15s ease-in-out,box-shadow .15s ease-in-out;
}

.footer-wrapper .social a span {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
}

.footer-wrapper .social a:hover {
  background: #11181f;
  color: #fff;
}

.footer-wrapper .copyright {
  padding: 1.5rem 0;
  border-top: 1px solid #232a31;
}

.footer-wrapper .copyright .container {
  padding: 0;
  color: #6d7685;
  font-size: .8125rem;
}

.footer-wrapper .copyright a {
  color: #6d7685;
  transition: color .15s ease-in-out,background-color .15s ease-in-out,border-color .15s ease-in-out,box-shadow .15s ease-in-out;
}

.footer-wrapper .copyright a:hover {
  color: #ffffff;
}

.back-to-top {
  position: fixed;
  bottom: 10%;
  right: 100px;
  z-index: 9999;
  cursor: pointer;
  width: auto;
}

@keyframes tips-open {
  0% {
    opacity: 0;
    -webkit-transform: translate3d(0, 50px, 0);
    transform: translate3d(0, 50px, 0)
  }
  100% {
    opacity: 1;
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0)
  }
}
@keyframes tips-close {
  0% {
    opacity: 1;
    -webkit-transform: translate3d(0, 0, 0);
    transform: translate3d(0, 0, 0)
  }
  100% {
    opacity: 0;
    -webkit-transform: translate3d(0, 50px, 0);
    transform: translate3d(0, 50px, 0)
  }
}

@keyframes move {
  0% {
    transform: translateY(0);
  }
  50% {
      transform: translateY(25px);
  }
  100% {
      transform: translateY(0);
  }
}